– timer-controlled boost function
– pressing the switch opens the damper and increases fan speed to the preselected level
– damper status indication
– membrane keypad and indicator light for boost function
– adjustable basic ventilation
– measurement connection
– washable grease filter
– for supply air compensation, the control and operating voltage for the SPB control damper is supplied by the range hood (standard feature)
– pressure equalization box KTD mounts easily on top of the range hood without tools